[LinuxBIOS] r2715 - trunk/LinuxBIOSv2/util/flashrom
uwe at hermann-uwe.de
Thu Jun 7 00:12:22 CEST 2007
On Wed, Jun 06, 2007 at 11:47:59PM +0200, Peter Stuge wrote:
> On Wed, Jun 06, 2007 at 11:35:46PM +0200, svn at openbios.org wrote:
> > The previous code was pretty unreadable, undocumented and did some
> > totally unrelated things (such as mucking with the game port or
> > port 0x92).
> Did you check the data book? I can't find it or I would have checked.
Yep, it's here: http://www.national.com/ds.cgi/CS/CS5530A.pdf
This is for flashrom, which only needs to make the ROM readable and
writable. No need for random other stuff (game port, etc).
> I seem to recall 0x92 is used for this and that, not just the game
Yeah, I think port 0x92 can reboot/reset the system or something alike.
The code was not _using_ port 0x92, though, but rather _enabling_ it
to be used by the OS (or whomever). All of this is not needed in
flashrom, of course.
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